/**
* 通过主键，删除一条记录
* @param integer $topicId
* @return integer
*/
public function removeByPk($topicId)
{
if (($topicId = (int) $topicId) <= 0) {
return false;
}
$tableName = $this->getTblprefix() . TableNames::getTopic();
$sql = $this->getCommandBuilder()->createDelete($tableName, '`topic_id` = ?');
$rowCount = $this->delete($sql, $topicId);
return $rowCount;
}
/**
* 获取“专题Key”验证规则
* @param mixed $value
* @return array
*/
public function getTopicKeyRule($value)
{
return array('AlphaNum' => new validator\AlphaNumValidator($value, true, Lang::_('SRV_FILTER_TOPIC_TOPIC_KEY_ALPHANUM')), 'MinLength' => new validator\MinLengthValidator($value, 2, Lang::_('SRV_FILTER_TOPIC_TOPIC_KEY_MINLENGTH')), 'MaxLength' => new validator\MaxLengthValidator($value, 20, Lang::_('SRV_FILTER_TOPIC_TOPIC_KEY_MAXLENGTH')), 'DbExists' => new validator\DbExistsValidator($value, false, Lang::_('SRV_FILTER_TOPIC_TOPIC_KEY_UNIQUE'), $this->getDbProxy(), TableNames::getTopic(), 'topic_key'));
}